CVE-2026-43399 - drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl

MEDIUM

drm/amdgpu/userq: Fix reference leak in amdgpu_userq_wait_ioctl

Published May 8, 2026

5.5

MEDIUM

CVSS 3.1

EPSS 0.16%

Drop reference to syncobj and timeline fence when aborting the ioctl due output array being too small.

(cherry picked from commit 68951e9c3e6bb22396bc42ef2359751c8315dd27)

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

unaffected

affected

Product	Package	State	Advisory
Red Hat Enterprise Linux 10	kernel	Fix deferred	n/a
Red Hat Enterprise Linux 6	kernel	Out of support scope	n/a
Red Hat Enterprise Linux 7	kernel	Not affected	n/a
Red Hat Enterprise Linux 7	kernel-rt	Not affected	n/a
Red Hat Enterprise Linux 8	kernel	Not affected	n/a
Red Hat Enterprise Linux 8	kernel-rt	Not affected	n/a
Red Hat Enterprise Linux 9	kernel	Fix deferred	n/a
Red Hat Enterprise Linux 9	kernel-rt	Fix deferred	n/a

No remediation recorded yet.

Weaknesses (1)

CWE-911

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2026-43399		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2468170		Issue Tracking
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-28705		Advisory
https://git.kernel.org/stable/c/49abfa812617a7f2d0132c70d23ac98b389c6ec1		Patch
https://git.kernel.org/stable/c/5409247d41f372bec5b141ef599f2d9f5e81b746		Patch
https://git.kernel.org/stable/c/762f47e2b824383d5be65eee2c40a1269b7d50c8		Patch
https://lore.kernel.org/linux-cve-announce/2026050839-CVE-2026-43399-6521@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-43399
https://www.cve.org/CVERecord?id=CVE-2026-43399